Kobayashi Pharmaceutical Sarasa-Therapy Lingerie Detergent Soap Scent 120ml Set of 5 Lingerie detergent specifically for menstrual blood and discharge stains. Discreet shipping Instant purchase available Will be delivered to your mailbox. ＜Product Features＞ ● Simply soak for 20 minutes, so it's hassle-free. ● Effectively removes even old stains. ● Because it's a soak, your favorite underwear won't be damaged. ● Can also be used to care for absorbent underwear. [Before washing] Apply the undiluted solution to an inconspicuous area beforehand to check for color fading before use.